The Heat-Sensitive Paper is a key item during the event of Lost in Nightmares.
It is found in Chapter 1-2 in the back of the Storage Room on top of the trunk.
It can be used at the fireplace inside the Dining Room of the estate to reveal Password 2.
- ?, ed (2010). BIOHAZARD 5 kaitaisinsho Revised Edition. Enterbrain.